Whats the Deal:Applications are becoming more and more memory hungry, and 1GB of RAM just doesn’t cut the mustard these days. 1GB memory modules have been available for some time now, but most of those are CAS 3 modules that can’t really be pushed much beyond rated speeds.

Sometimes you just need fast memory, especially if you’re overclocking. Until recently, fast DDR 1GB modules have been fairly rare. You could always get the pricey Corsair TwinX2048-3500LLPro, but that will set you back $50 more than the 4000PT variant.

In our testing, we were able to run at CAS 2.5-3-3-8 in an Athlon 64 X2 system, but had to tweak the voltage up to 2.75v. That’s not quite as low latency as the pricier 3500, but it’s also cheaper. Corsair has tested the Twinx2048-4000PT at a full 250MHz (at CAS3-4-4-8), though voltage settings weren’t published. So if you need some extreme memory bandwidth, check these modules out.

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